Attachment for high-speed governors.



Ho. 663,235. Patented-Dec. '4. I900.

I G. J. LUEPER &. P. B. HAUSDOEBFER.

ATTACHMENT FDR HIGH SPEED GOVERNORS.

. (Application filed June 7, 1900.) (Ho Modal.)

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UN TED STAT S PATENT OFFICE.

GEORGE J. LOEPER AND PAUL B. HAUSDOERFER, OF INDIANAPOLIS, INDIANA.

ATTACHMENT FOR HIGH-SPEED GOVERNORS.

SPECIFICATION forming part of Letters Patent No. 663,235, dated December 4, 1900.

Application filed June 7, 1900. serial No. 19,422- (No model.) A

To all whom it may concern:

Be it known that We, GEORGE J. LOEPER and PAUL B. HAUSDOERFER, citizens of the United States, residingat Indianapolis, in the county of Marion and State of Indiana, have invented new and useful Improvements in Attachments for High-Speed Governors, of which the following is a specification.

Our invention relates to an improvement on centrifugal high-speed governors, and especially to that class of high-speed governors for which Letters Patent have been granted to us on the 27th day of December, 1898, being numbered 616,678.

Our object of improving said invention is to provide an attachment to our previouslypatent-ed invention that will increase the speed of an engine to a higher degree of speed while the engine is in motion without being compelled in order to obtain said results to either change the size of the driver-pulley on the governor or the driving-pulley on the engine. In our former invention we obtained speed to the engine of approximately one hundred revolutions per minute with our new high-speed attachment applied. We can, if desired, increase the speed to approximately four hundred revolutions per minute without inconvenience, all of which is greatly desired in the use of steam and gas engines. We accomplish these objects by means of the device herein described, and illustrated in the accompanying drawings, wherein like characters of reference indicate like parts of our invention in the several figures.

In the drawings, Figure 1 is a front elevation of our invention, showing our high-speed attachment applied to our governor patented December 27, 1898, No. 616,678, in the United States of America. Fig. 2 is a horizontal section of said attachment on the line X X of Fig. 1 looking downward. Fig. 3 is a horizontal section on the line a aof Fig. 1. Fig. at is a side elevation showing the lower tension device, the upper portion of the invention being left off from line b b upward.

a is the valve-body of the governor, and b the valve-rod, which extends downward into said body and upward into the hollow spindle 5 and has its upper end attached, as indicated at o, to a collar (1, which rests upon of a cap 6, the action of which is controlled to raise and lower the valve-stem by the governorballs having their lower arms secured thereto atf. A bevel-pinionr ,loosely mounted on the hollow spindle or standard 5 and held against vertical movement by suitable devices, engages a bevel-pinion h, which is fixed on a transverse shaft t'. Connected with the valvestem b is a means which regulates the speed of the engine and provides an automatic shut-off, said means comprehending a leverj, the longerarm of which engages the valve-stem, a spring-tension device which acts on said lever, and which tension device includes a ratchet k and a pawll for maintaining tension on said lever and which also includes means for adjusting the tension of the spring. Said pawl Z is in practice arranged in the path of a striking device which if the belt operating the governor breaks or becomes otherwise disengaged will automatically engage said pawl Z, and thus release the tension-spring and allow the lever, with the valve-rod, to move so as to close the steamports in the cylinder.

As thus fardescribed the invention is comprehended in the one patented to us and above referred to; but practical experience with the patented device has disclosed the fact that when the tension-spring is wound up to its extreme limit, which will then produce the highest speed obtainable therefrom, the friction on the sliding cap e and collar d is increased to an extent which prevents free working of the parts. We have discovered that by applying an upper spring-tension device in addition to the lower spring-tension device the lower tension-spring is partly relieved, as is also the friction on said cap and collar, thus equalizing the. friction between the bearings. Thus the addition of the upper tension device results in an increase in the speed which may be obtained and also diminishes the friction on the hearings in the governor. The lower spring-tension device is preferably modified in construction to that hereinafter described and is itself obviously capable of action alone where a relatively low speed is desired.

The manner of constructing our new atand partakes of the longitudinal movements tachment to high-speed governors is as fol-- lows:

The hollow spindle or standard 5 is provided on its upper end with an extension-rod 4:,which maybe screwed into the end of standard 5, or said standard 5 and hollow spindle 4. may be constructed of one piece of steel, the lower screw end to be screwed firmly into the yoke-head 3, applied in the same manner as in our Patent No. 616,678, dated December 27, 1898; The upper end of the extension-rod 4 is threaded to receive the adjusting thumb-nut 3, and said extension-rod 4 is provided with an elongated slot or feather-seat t 2 is a collar loosely mounted around spindle 4 and having a feather 1 fitting into the elongated slot 4 of extension-rod 4:, whereby it is prevented from revolving with the rotating parts and at the same time may be adjusted upward and downward when so forced by means of the thumb adj listing-nut 3. (See Fig. 1.)

5 is an ornamental socket-collar loosely mou n t-ed on rod 4. Into said collar fits loosely the feather-collar 2.

6 is a flanged collar loosely fitted around spindle 4.

Between the faces of collars 5 and 6 are placed the tension-springs 7, formed in yoke shape, with their arms extending downward and their ends bearing against the governorball arms 19 19.

The collar 5 and flanged collar 6 are united face to face, with the springs 7 between them,

and they are held in position by means of setscrews 8., which pass through threaded lugs 9, cast vertical on flange 6.

On the lower face of collar 6 are cast diametrically to each other the downward-proparting a rotary motion to the upper tension attachment and at the same time permitting said attachment as a whole to slide upward or downward on spindle 4.

As can readilybe seen, we need but to turn thumb-screw 3 downward or upward to increase or decrease tension on arms 19 as may be required to increase the speed of the engine independent from the lower tension springs 28.

Instead of applying one spring, as in our former invention,we apply two springs for the lower tension, which are loosely mounted on the shaft 23. The inner and outer ends of said springs are turned at right angles to the center of shaft 23. These inner ends are made to slip into the sockets 29 and their turned-up ends into slots 13 of sockets 29. The outer end of said spring slips into sockets of hand-wheel 31 on the left side and at the right side into socket 30. Both socket and hand-wheel are provided with a slot into which the upturned ends of the springs fit and are thus held in position. Through this arrangement we are enabled to apply one right and one left wound spring, and by turning them with the hand-wheel 31 we produce tension through yoke 12 on the valve-stem in a vertical direction without side friction, which has been found to be a serious objection in cases where only one spring is applied. As can readily be seen, the object of two separate tension devices on one governor serves the purpose to lessen the friction on the regulating mechanism of a high-speed governor and to reduce said friction to a minimum.

The parts most important to a sensitive high-speed governor are the adjusting parts to prevent the engine from becoming uncontrollable in case the belt should drop off. We claim as an entire safety against such accidents the application of two tension devices on our governor, one for exceeding high speed and the other for lowerspeed, but both depending on each other to produce the desired result.

Having thus described our attachment for high-speed governors, its advantages and objects, that which we claim as new, and desire.

to secure by Letters Patent of the United States, is-

1. The combination with a valve-rod and its valve, of controlling devices for said valve, embracing a rotatable head, a device connected with said rod so as to move therewith and have rotatable movement, relatively thereto, with said head, means for rotating said device, ball-carrying arms connecting said device and head together, a tension means connected with said valve-rod, and a second tension means connected with said ball-carrying arms.

2. In agovernor, the combination with the standard, head, ball-arms connected with said head, and a controlling device, of a supplemental tension device embracing springs to engage said ball-arms, a spindle projecting from said standard, a collar loosely mounted on said spindle and having arms engaging openings in said head, said collar also engaging said springs, and means acting on said collar to adjust the tension of said springs.

3. In a governor, the combination with ball-arms and balls, a rotatable and slidable cap with which the lower ends of said ballarms are connected, and a valve-rod connected with said cap, of a lower spring tension device connected with said rod, and an upper spring tension device, comprehending a revoluble member to which the upper ends of the ball-arms are attached, and tensionsprings engaging the ball-arms, substantially as described.

4:. In a governor, the combination with the valve rod, ball-arms and balls, a cap with which the lower ends of the ball-arms are connected, said cap being also connected with said valve-rod, and a head with which the upper ends of the ball-arms are connected, of

a lower spring tension device having adjusting means therefor, and an upper spring tension device embracing springs engaging said ball-arms, a vertically-adjustable rotatable collar carrying said springs, and means for fixing said collar in adj nsted position.

5. In a governor the combination with the ball-arms and a controlling device therefor,

of a vertically-movable rotatable collar,

springs carried thereby and engaging said ball-arms, a vertically-adjustable non-rotative collar, and threaded means for adjusting said collars and locking them in adjusted position to thereby regulate the tension of said springs.

6. In a governor, the combination With a standard having a head and a threaded spindle, ball arms connected with said head, and a controlling device, of a supplemental controlling device, comprising a verticallyadj nstable collar, a second collar connected there With,ar ms projecting from the first-mentioned collar into grooves in said head,springs carried by said collars and bearing against said ball-arms, a vertically-adjustablecollar bearing upon said second collar and keyed to said spindle, and an adjusting-nut threaded upon said spindle and engaging the latter collar.

7. The combination, in a governor, with a valve-rod and its valve, of a rotatable head, a slidable device which partakes of the movements of the valve and has rotatable movement, independently thereof, with said head, ball-carrying arms connecting said head and device together, tension-springs acting on said arms, a device rotatable with said head and arms and adjustable relatively thereto and carrying said springs, and means for maintaining the latter device and springsin adjusted position.

8. The combination, in a governor, with a standard havingafixed head and a threaded spindle, of a vertically-adjustable device having arms projecting into grooves in said head, springs carried by said device and engaging said ball-arms, a collar feathered to said spindle and bearing upon said device, and an adjusting-nut threaded upon said spindle and engaging said collar.

9. The combination with a valve-rod and its valve, of means for controlling the actions of the same, comprising a rotatable and slidable cap, means for rotating said cap, a collar attached to said rod and engaged with said cap, a tension means operatively connected with said valve-rod, a rotatable head, ballcarrying arms connecting said device and head together, and tension-springs connected with said arms.

10. The combination with a valve-rod and its valve, of means for controlling the actions of the same, comprising a rotatable and slidable cap, means for rotating said cap, a collar attached to said rod and engaged with said cap, an adjustable tension means operatively connected with said rod, a rotatable head, ball-carrying arms connecting said head and cap together, tension-springs acting on said arms, rotatable means carrying said tensionsprings and adjustable relatively to said head, and means for maintaining the same in adjusted position.

11. The combination with a valve-rod and its valve, a tension device operatively connected with said rod,a standard, a rotatable head, means for rotating the same, a rotatable and slidable cap, a collar attached to said rod and engaged with said cap, and ball-car rying arms connecting said head and cap together, of a threaded spindle, a verticallyadj ustable device having arms projecting into grooves in said head, springs carried by said device and engaging said ball-arms, a collar feathered to said spindle and bearing upon said device, and an adjusting-nut threaded upon said spindle and engaging said collar.

In testimony whereof we have hereunto set our hands in the presence of two subscribing Witnesses.

GEORGE J. LOEPER. PAUL B. HAUSDOERFER.

Witnesses:

M. W. HOPKINS, JACOB W. LOEPER. 

